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《Laser & Infrared》 2016-01
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Closed-loop control and compensation of high-power laser driving power supply

YANG Ke-cheng;LIU Shu-shu;YANG Ai-wu;North China Research Institute of Electro-optics;  
For phase-shifted full bridge current-doubler rectifier circuit of high-power laser constant current drive power,small signal equivalent model is established by state space average method. Based on this,the closed-loop control system was studied. The integrated control chip UCC28950 was used to the actual control circuit. According to automatic control principle,the compensation network of the closed-loop control system was designed by Matlab,which makes the constant current supply has good transient dynamic characteristics an anti-interference.
【CateGory Index】: TN248
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